Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. The full show archive is available for free.

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Amateur Astronomers Work to Save Earth!

The Planetary Society's Bruce Betts provides an overview of the Shoemaker NEO grant program, and we meet two dedicated grant recipients.

Live at PATS With OSIRIS REx!

We're live at the Pacific Astronomy and Telescope Show, with JPL astrodynamicist Steve Chesley and Planetary Society Director of Projects Bruce Betts. Steve and Bruce reveal the exciting OSIRIS REx mission to an asteroid and then back to Earth with a precious soil sample. Enter the contest to name the asteroid! Bill Nye and Emily Lakdawalla check in, and one listener will win a Celestron FirstScope telescope.

SETI Scientist Jill Tarter Continues the Search

The Director of the Center for SETI Research is thrilled to have the Allen Telescope Array back in the hunt for extraterrestrial intelligence. She also tells us about SETILive.

The SpaceUp Unconference and A Free Online Astronomy Class

The SpaceUp Unconference and A Free Online Astronomy Class

New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop

New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop

Atlantis: Space Shuttle Launch Party

Atlantis: Space Shuttle Launch Party

Microrovers Exploring With Bruce Betts

Microrovers Exploring With Bruce Betts

Talking With Mary Roach, Author of Packing for Mars

Talking With Mary Roach, Author of Packing for Mars

Planetary Radio Live!

PlanRad goes before a live audience to talk rockets with Bill Nye, Jeff Richichi of SpaceX, and JPL pioneer James Burke.

Former JPL Director Bruce Murray on the Persistence and Importance of Water Ice

Former JPL Director Bruce Murray on the Persistence and Importance of Water Ice

Lunar Smackdown! Special LCROSS Impact Coverage

Lunar Smackdown! Special LCROSS Impact Coverage

The Meaning of LIFE

The Meaning of LIFE

A Conversation with Elon Musk of SpaceX

A Conversation with Elon Musk of SpaceX

Ann Druyan on New Honors for Carl Sagan

Longtime partner Ann Druyan is proud of NASA's new Carl Sagan Fellowships. Bill Nye has a tribute for his old professor.

Saving the Planet: The Apophis Mission Design Competition

Saving the Planet: The Apophis Mission Design Competition

MESSENGER Reveals Mercury

MESSENGER Reveals Mercury

A Very Good Year: Looking Back at 2007

A Very Good Year: Looking Back at 2007

To Phobos and Back

To Phobos and Back

Cosmos 1: Solar Sail Special Report

Cosmos 1: Solar Sail Special Report

Solar Sail Countdown

Solar Sail Countdown

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